/Engine/Source/Runtime/Engine/Classes/PhysicsEngine/BodyInstance.h
Add a rotational impulse to this body
void AddAngularImpulseInRadians ( const FVector & Impulse, bool bVelChange, const [FAsyncPhysicsTimestamp](API\Runtime\Engine\GameFramework\FAsyncPhysicsTimestamp) TimeStamp, [APlayerController](API\Runtime\Engine\GameFramework\APlayerController) * PlayerController )